Stomach Flu Explained: Causes, Symptoms & Treatment Options

Published on: 13th January 2026
Medically reviewed by: Dr. Alina Saeed
A woman sitting on a couch holding her stomach due to stomach flu
It often starts at the worst possible time. A relaxed family dinner. A child’s school day. A busy workweek. Then suddenly – nausea, cramps, and repeated trips to the bathroom. Many families in Dubai recognize this situation all too well. What you’re likely dealing with is the stomach flu, a common but uncomfortable condition that can knock even healthy adults off their feet for a few days.
The good news? While it feels intense, it’s usually manageable with the right care. Knowing what’s happening in your body, what to watch for, and when to seek medical help can make a big difference in recovery and peace of mind.

What People Mean When They Say “Stomach Flu”?

Here’s the thing: what stomach flu is one of the most misunderstood questions in medicine. Despite the name, it has nothing to do with influenza. Flu and stomach issues are caused by very different viruses.
The stomach flu is actually gastroenteritis, an infection that irritates the lining of your stomach and intestines. This stomach infection leads to inflammation, making digestion temporarily difficult. Many patients also call it tummy flu or even stomach influenza, but medically, it’s a digestive tract infection rather than a respiratory one.
In Dubai, where people from many countries live closely together, these infections spread easily in homes, schools, and workplaces.

How the Stomach Infection Starts?

You might wonder how this even begins. In most cases, a stomach virus is responsible. Norovirus is the most common culprit in adults, while rotavirus is more frequent in young children. Both spread quickly through contaminated hands, surfaces, food, or water.
Bacterial causes are also possible. Undercooked meat, improperly stored meals, or food left out too long in the heat can trigger a stomach infection. Dubai’s warm climate means food safety matters every single day, especially during outdoor gatherings or travel. Even clean-looking water can sometimes be a source if hygiene standards slip.

Stomach Flu Symptoms You Shouldn’t Ignore

Typical signs and stomach flu symptoms will generally follow some type of pattern; however, in some warm climates and under certain circumstances, they can develop into severe symptoms quickly if the source of infection or transmission is not carefully monitored.
  • Sudden Digestive Distress: Symptoms often start suddenly with nausea, vomiting, watery stools, abdominal cramps, urgency, and discomfort, especially during the first twenty-four hours.
  • Systemic Symptoms Beyond the Gut: Diarrhea and vomiting can cause some of the same symptoms as the variety of flu, and both cause you to be fatigued and feel unwell.
  • Dehydration Risk: Dubai’s hot climate accelerates fluid loss, making dehydration more likely during a stomach virus, with dry mouth, dark urine, and dizziness.
  • High-Risk Groups: Children and older adults are at a higher risk for developing worsening symptoms, so the following would indicate the need for evaluation: extreme lethargic state, confusion, or inability to maintain adequate hydration through oral intake.

Finding Relief Without Making It Worse

The stomach flu treatment is based on supportive care that helps the body heal itself, as well as ways to prevent dehydration from not being able to eat or drink enough.
  • Rest and Digestive Recovery: Resting the body is the best way to allow it to recover, since it gives time for the body to clear the nausea before eating anything. Starting with bland foods such as rice, toast, and bananas helps settle the digestive system.
  • Hydration Support: Replacing lost fluids is critical for avoiding severe dehydration in Dubai’s hot climate. Drinking small amounts slowly will help replenish fluids, as well as replace crucial electrolytes.
  • Medication Use: Local over-the-counter medicines may ease fever, cramps, or nausea, but misuse only masks symptoms and can worsen stomach discomfort overall.
  • Role of Antibiotics: Antibiotics are rarely required for stomach infection treatment and are prescribed only when doctors confirm bacterial causes, not viral illnesses.
  • Medical Supervision: When home care isn’t enough, First Response Healthcare provides clinic care and a doctor on call service for safe monitoring.

Reducing Your Risk in Dubai

Prevention is often simpler than treatment. Regular handwashing with soap, especially after using the restroom and before meals, remains the most effective defense against tummy flu. Alcohol-based sanitizers help, but they don’t always kill norovirus.
Food safety deserves extra attention. Hot food should stay hot, and cold food should stay cold. Consume food that has been left out that is in a temperature that is considered a safe zone (2°C – 70°C) (40°- 60°F). For families with children, disinfect frequently touched surfaces and try to keep sick family members isolated as much as possible. Keep an eye on your elderly relatives; they can become dehydrated more rapidly than the younger generation.
These lifestyle measures are supportive but not substitutes for diagnostic testing or medical guidance.

Recovery, Reassurance, and Knowing When to Call

A woman sitting and holding stomach due to stomach flu
Stomach influenza affects the majority of individuals for approximately 2-3 days, but most individuals will experience lingering fatigue. If you think you may have stomach flu, please know that it is a very common illness and that, if treated promptly, it does not pose any significant risk to you. However, if you experience significant vomiting, bloody stools, high fever, or stomach infection symptoms that last for more than 3 days, you should seek medical attention.
First Response Healthcare provides timely healthcare assistance, advice, and access to a doctor on call for families in Dubai who experience worsening symptoms or find home care insufficient, enabling individuals to avoid further complications and expedite their recovery through early intervention.

Frequently Asked Questions (FAQs)

Q. How long does stomach flu usually last?

Most cases resolve within 48- 72 hours, though weakness or appetite loss can last a bit longer, especially after severe dehydration.

Q. Should I work or attend school while sick?

It’s best to stay home until symptoms settle. The stomach virus spreads easily, even after vomiting stops.

Q. What foods are safest during recovery?

Start bland. Soft rice, toast, yogurt, and bananas are gentle options during stomach infection treatment.

Q. Is it contagious, and for how long?

Yes. You can spread it from symptom onset until at least 24–48 hours after recovery.

Q. When should I visit First Response Healthcare?

Seek care if symptoms worsen, dehydration signs appear, or if children, elderly adults, or pregnant women are affected.

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